From: Christian König <christian.koe...@amd.com>
[ Upstream commit 48afbd70ac7b6aa62e8d452091023941d8085f8a ]
Otherwise it is possible that we will have page table corruption
if we change a BOs address multiple times.
Signed-off-by: Christian König <christian.koe...@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sasha.le...@oracle.com>
---
drivers/gpu/drm/radeon/radeon_vm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c
b/drivers/gpu/drm/radeon/radeon_vm.c
index b0c4958..190eb5be 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -513,6 +513,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
tmp->addr = bo_va->addr;
tmp->bo = radeon_bo_ref(bo_va->bo);
list_add(&tmp->vm_status, &vm->freed);
+
+ bo_va->addr = 0;
}
interval_tree_remove(&bo_va->it, &vm->va);
--
2.1.0
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